Double cellular shade



FIG. 1 is a perspective view of a double cellular shade showing my new design;

FIG. 2 is an enlarged detail view of area 2 circumscribed within FIG. 1;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The dot dash dot broken lines in FIGS. 1 and 2 indicate the boundaries of the enlarged detail view of the double cellular shade and form no part of the claimed design. 

CLAIM The ornamental design for a double cellular shade, as shown and described. 